Make the fact family for:
2, 3 and 1
2+1=3
1+2=3
3-1=2
3-2=1
Round to the nearest ten: 16
20
Write the symbol >, < or =
13 ___ 19
13 < 19
Write the name of this number: 6
six
34
+21
55
Make the fact family for:
4, 5 and 9
4+5=9
5+4=9
9-4=5
9-5=4
Round to the nearest ten:27
30
Write the symbol >, < or =
42 ___ 31
42 > 31
Write the name of this number:3
three
58
- 24
34
Make the fact family for:
6, 7 and 13
6+7=13
7+6=13
13-6=7
13-7=6
Round to the nearest ten:32
30
Write the symbol >, < or =
24 ___ 24
24 = 24
Write the name of this number: 15
fifteen
+24
37
Make the fact family for:
22, 10 and 12
10+12=22
12+10=22
22-12=10
22-10=12
Round to the nearest ten:45
50
Write the symbol >, < or =
234 ___ 109
234>109
Write the name of this number:20
twenty
43
- 21
22
Make the fact family for:
54, 23 and 31
23+31=54
31+23=54
54-23=31
54-31=23
Round to the nearest ten:99
100
Write the symbol >, < or =
1000 ___ 1000
1000 = 1000
Write the name of this number:30
thirty
67
+21
88